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SN74173 Folha de dados(PDF) 6 Page - Texas Instruments |
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SN74173 Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 19 page SN54173, SN54LS173A, SN74173, SN74LS173A 4-BIT D-TYPE REGISTERS WITH 3-STATE OUTPUTS SDLS067A – OCTOBER 1976 – REVISED JUNE 1999 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics, VCC = 5 V, TA = 25°C, RL = 400 Ω (see Figure 1) PARAMETER TEST CONDITIONS SN54173 SN74173 UNIT PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT fmax Maximum clock frequency 25 35 25 35 MHz tPHL Propagation delay time, high-to-low-level output from clear input 18 27 18 27 ns tPLH Propagation delay time, low-to-high-level output from clock input CL = 50 pF 28 43 28 43 ns tPHL Propagation delay time, high-to-low-level output from clock input L 19 31 19 31 ns tPZH Output enable time to high level 7 16 30 7 16 30 ns tPZL Output enable time to low level 7 21 30 7 21 30 ns tPHZ Output disable time from high level CL =5 pF 3 5 14 3 5 14 ns tPLZ Output disable time from low level CL = 5 pF 3 11 20 3 11 20 ns |
Nº de peça semelhante - SN74173 |
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Descrição semelhante - SN74173 |
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